chromium/third_party/blink/web_tests/transitions/transition-end-event-multiple-04.html

<html>
<head>
  <style>
    .box {
      position: relative;
      left: 0;
      height: 100px;
      width: 100px;
      margin: 10px;
      background-color: blue;
      transform: translate(0);
      -webkit-transition-property: transform;
      -webkit-transition-duration: 0.5s;
    }
    
    .box1 {
      transform: translate(50px);
    }
    
    .box2 {
      transform: translate(50px) scale(1.05);
      -webkit-transition-duration: 0.55s;
    }
    
    .box3 {
      transform: translate(0); /* same as default */
      -webkit-transition-duration: 0.3s;
    }

    .box4 {
      transform: translate(100px);
      -webkit-transition-duration: 0.4s;
    }

    .box5 {
      /* nothing */
    }

  </style>
  <script src="transition-end-event-helpers.js"></script>
  <script type="text/javascript">
    
    var expectedEndEvents = [
      // [property-name, element-id, elapsed-time, listen]
      ["transform", "box1", 0.5, false],
      ["transform", "box2", 0.55, false],
      ["transform", "box4", 0.4, false]
    ];
  
    function transitionElement(index)
    {
      var boxes = document.body.getElementsByClassName('box');
      boxes[index-1].className = "box box" + index;
    }

    function setupTest()
    {
      var boxes = document.body.getElementsByClassName('box');
      for (var i = 0; i < boxes.length; ++i) {
        boxes[i].addEventListener("webkitTransitionEnd", recordTransitionEndEvent, false);
      }

      window.setTimeout(function() { transitionElement(1); }, 100);
      window.setTimeout(function() { transitionElement(2); }, 150);
      window.setTimeout(function() { transitionElement(3); }, 200);
      window.setTimeout(function() { transitionElement(4); }, 50);
      window.setTimeout(function() { transitionElement(5); }, 150);
    }
    
    runTransitionTest(expectedEndEvents, setupTest);
  </script>
</head>
<body>

<p>Initiating transitions on transform properties of all boxes, starting at different times and with different durations and values.</p>

<div id="container">
  <div id="box1" class="box"></div>
  <div id="box2" class="box"></div>
  <div id="box3" class="box"></div>
  <div id="box4" class="box"></div>
  <div id="box5" class="box"></div>
</div>

<div id="result"></div>

</body>
</html>